:root{
  --bg:#eceff3; --card:#ffffff; --card-2:#f7f9fb;
  --ink:#0e1a1c; --muted:#5d6b73; --faint:#8a97a0;
  --hair:#e4e9ee; --hair-2:#d6dde3;
  --teal:#0d9488; --teal-ink:#0b7d73; --teal-wash:#e6f7f4;
  --pass:#0f9d58; --pass-wash:#e7f6ec;
  --warn:#b7791f; --warn-wash:#fbf1de;
  --fail:#d64545; --fail-wash:#fbe9e9;
  --grade:#0f9d58;
  --shadow-sm:0 1px 2px rgba(14,26,28,.06);
  --shadow:0 2px 4px rgba(14,26,28,.05), 0 18px 40px -24px rgba(14,26,28,.4);
  --r:16px;
  --font:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --display:"Manrope","IBM Plex Sans",system-ui,sans-serif;
  --mono:"IBM Plex Mono","Consolas",monospace;
  --maxw:1080px;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);
  line-height:1.5;-webkit-font-smoothing:antialiased;font-size:15px}
.shell{max-width:var(--maxw);margin:0 auto;padding:0 clamp(14px,4vw,28px)}
.mono{font-family:var(--mono)}

.top{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--hair)}
.top .shell{display:flex;align-items:center;gap:12px;height:58px}
.logo{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:800;
  font-size:16px;letter-spacing:-.01em;color:inherit;text-decoration:none}
.logo svg{width:24px;height:24px;color:var(--teal)}
.top .ref{margin-left:auto;font-family:var(--mono);font-size:12px;color:var(--muted);
  display:flex;align-items:center;gap:8px}
.vpill{display:inline-flex;align-items:center;gap:6px;background:var(--pass-wash);color:var(--pass);
  font-weight:600;font-size:12px;padding:4px 10px;border-radius:999px;font-family:var(--font)}
.vpill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.vpill.bad{background:var(--fail-wash);color:var(--fail)}

.banner{margin-top:16px;background:var(--teal-wash);color:var(--teal-ink);border-radius:12px;
  padding:12px 16px;font-size:13px}

.hero{padding:clamp(26px,5vw,44px) 0 clamp(20px,3vw,28px);
  display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,4vw,32px);align-items:center}
@media(max-width:560px){.hero{grid-template-columns:1fr;text-align:center;justify-items:center}}
.gradewrap{position:relative;width:118px;height:118px;flex:none}
.gradewrap svg{width:100%;height:100%;transform:rotate(-90deg)}
.gradewrap .track{fill:none;stroke:var(--hair-2);stroke-width:9}
.gradewrap .arc{fill:none;stroke:var(--grade);stroke-width:9;stroke-linecap:round;
  stroke-dasharray:314;stroke-dashoffset:calc(314 - 314 * 0.99)}
.gradewrap .letter{position:absolute;inset:0;display:grid;place-items:center;
  font-family:var(--display);font-weight:800;font-size:52px;color:var(--grade);line-height:1}
.hero h1{font-family:var(--display);font-weight:800;font-size:clamp(24px,5vw,34px);
  letter-spacing:-.02em;margin:0 0 6px;text-wrap:balance}
.hero .sub{color:var(--muted);font-size:clamp(14px,2.5vw,16px);margin:0 0 14px}
.hero .device{font-weight:600}
.counts{display:flex;flex-wrap:wrap;gap:8px}
.count{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:600;
  padding:6px 11px;border-radius:999px;background:var(--card);border:1px solid var(--hair);box-shadow:var(--shadow-sm)}
.count i{width:8px;height:8px;border-radius:50%;font-style:normal}
.count.ok i{background:var(--pass)} .count.warn i{background:var(--warn)}
.count.bad i{background:var(--fail)} .count.na i{background:var(--faint)}

.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:clamp(12px,2vw,18px);padding-bottom:22px;align-items:start}
.sec{background:var(--card);border:1px solid var(--hair);border-radius:var(--r);
  box-shadow:var(--shadow-sm);overflow:hidden}
.sec.wide{grid-column:1/-1}
.sec>h2{font-family:var(--display);font-weight:700;font-size:12px;text-transform:uppercase;
  letter-spacing:.1em;color:var(--teal-ink);margin:0;padding:14px 18px;
  border-bottom:1px solid var(--hair)}
dl{margin:0;padding:4px 18px 10px}
.row{display:flex;gap:14px;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--hair)}
.row:last-child{border-bottom:0}
dt{color:var(--muted);font-size:13.5px;flex:none;width:132px}
dd{margin:0;margin-left:auto;text-align:right;font-weight:500;font-size:14px;word-break:break-word}
dd.mono{font-family:var(--mono);letter-spacing:-.02em;font-size:13px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:3px 10px;border-radius:999px;white-space:nowrap}
.chip::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.chip.ok{background:var(--pass-wash);color:var(--pass)}
.chip.warn{background:var(--warn-wash);color:var(--warn)}
.chip.bad{background:var(--fail-wash);color:var(--fail)}
.chip.neutral{background:var(--card-2);color:var(--muted)}
.chip.neutral::before{background:var(--faint)}

.checks{padding:6px 8px 12px}
.check{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;
  padding:9px 10px;border-radius:10px}
.check:nth-child(odd){background:var(--card-2)}
.badge{font-family:var(--mono);font-weight:600;font-size:11px;padding:3px 7px;border-radius:6px;text-align:center;min-width:44px}
.badge.ok{background:var(--pass-wash);color:var(--pass)}
.badge.warn{background:var(--warn-wash);color:var(--warn)}
.badge.bad{background:var(--fail-wash);color:var(--fail)}
.badge.na{background:var(--card);color:var(--faint);border:1px solid var(--hair)}
.cname{font-weight:600;font-size:13.5px}
.cdetail{color:var(--muted);font-size:12.5px}
.cscore{font-family:var(--mono);font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}

.meta-line{padding:14px 18px;background:var(--teal-wash);border-top:1px solid var(--hair);
  font-size:12.5px;color:var(--muted)}
.meta-line b{color:var(--teal-ink);font-family:var(--mono)}

footer{border-top:1px solid var(--hair);margin-top:8px}
footer .shell{padding:22px 0 40px;color:var(--faint);font-size:12px;line-height:1.6}
footer a{color:var(--teal-ink)}
@media(prefers-reduced-motion:no-preference){
  .sec{animation:rise .45s cubic-bezier(.2,.7,.3,1) both}
  @keyframes rise{from{opacity:0;transform:translateY(10px)}}
}